C123132112322333121111113121111331333133313231333222331212331131321   >>    C12313211232233312111111312111133133313331323133322233121233113132   <<    C123132112322333121111113121111331333133313231333222331212331131323   >>      C123132112322333121111113121111331333133313231333222331212331131322   >>